Spectral Properties, Including Spectral Singularities, of a Quadratic Pencil of Schrödinger Operators on the Whole Real Axis

DOI10.2989/16073600309486040zbMath1030.34029OpenAlexW2070614951MaRDI QIDQ4709423

Öner Cakar, Allan M. Krall, Elgiz Bairamov

Publication date: 18 February 2004

Published in: Quaestiones Mathematicae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2989/16073600309486040

zbMATH Keywords

eigenvalues spectral singularities finite multiplicities nonselfadjoint Sturm-Liouville and Klein-Gordon operators

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Sturm-Liouville theory (34B24) Weyl theory and its generalizations for ordinary differential equations (34B20) General theory of ordinary differential operators (47E05) Linear boundary value problems for ordinary differential equations (34B05) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70)

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